Home / 1,319,150,462.40-1,980,678,247.20-738,045,316.80

Finding the Fourth Proportional to 1,319,150,462.40, 1,980,678,247.20 and 738,045,316.80

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Solution

The fourth proportional to 1,319,150,462.40, 1,980,678,247.20 and 738,045,316.80 is: 1,108,160,400.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,150,462.40 : 1,980,678,247.20 = 738,045,316.80 : x
  2. Step 2: Convert to fraction form
    1,319,150,462.40/1,980,678,247.20 = 738,045,316.80/x
  3. Step 3: Cross multiply
    1,319,150,462.40x = 1,980,678,247.20 × 738,045,316.80
  4. Step 4: Simplify right side
    1,319,150,462.40x = 1,461,830,304,433,592,576
  5. Step 5: Solve for x
    x = 1,461,830,304,433,592,576/1,319,150,462.40
  6. Step 6: Final answer
    x = 1,108,160,400.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.